package com.ticket.sass.admin.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * 多线程配置
 * @author ywb
 * @date 2022-03-01 16:52
 */
@EnableAsync
@Configuration
public class AsyncConfig implements AsyncConfigurer {

    @Bean(name = "asyncServiceExecutor")
    public TaskExecutor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        // 设置核心线程数
        executor.setCorePoolSize(2);
        // 设置最大线程数
        executor.setMaxPoolSize(2);
        // 设置队列容量
        executor.setQueueCapacity(10);
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(180);
        // 设置默认线程名称
        executor.setThreadNamePrefix("lawrence-");
        // 设置拒绝策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        return executor;
    }
    
    @Bean
    public ThreadPoolTaskScheduler taskScheduler() {
        ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
        scheduler.setPoolSize(5);
        scheduler.setThreadNamePrefix("scheduled-task-");
        scheduler.initialize();
        return scheduler;
    }
    
    @Override
    public Executor getAsyncExecutor() {
        return taskExecutor();
    }
}
